- 153 - 1 o -T-m7-1T--V II-I I-T-Pressure, atmosphere 102 2000 0000 I l01 E- 100 H U 0 10 0 i010" 10-2 L, II ,II I, I, 10 30 50 70 90 Temperature, 10000K Figure 17. Rosseland opacity of uranium.